Zafar, Adnan, et al. “BRONCHIECTASIS IN CHILDREN WITH PCD: MPA (MAIN PULMONARY ARTERY) AND MPA-TO-AA RATIO AS MARKERS OF DISEASE SEVERITY”. Journal of Ayub Medical College Abbottabad, vol. 37, no. 2, June 2025, pp. 226-31, doi:10.55519/JAMC-02-13307.